Octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate
CAS 2082-79-3
U.S. production volumes are classified as confidential business information.
US productionCBI
Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.
Import value, 2024$122M
Top sourceSouth Korea 39%
At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.
Why supply is unknownProduction is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.
Where It Comes From
Customs basis: HS 291829 · basket
EPA reports by year
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
These shares come from HS customs code 291829, which covers 85 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
Source Countries
Country of origin for US imports, from Census customs data (2024).
KR 39%South KoreaCN 26%ChinaTW 11%TaiwanJP 9%JapanSG 5%Singapore
- United Kingdom
- Germany
- Malaysia
- Mexico
- Ireland
- Ukraine
- Slovakia
- Hungary
- Spain
EPA-registered manufacturers (4)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Arlanxeo Holding Bv · NL Netherlands
Basf Se · DE Germany
Arlanxeo Usa
Basf
Domestic parents -- activity not disclosed (12)
EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.
Akrochem
Blue Tree Holdings
Dover Chemical
Icc Industries
Kraton
Show all 12
Lintech International
Lion Copolymer Holdings
Mitsubishi International Polymertrade
R.T. Vanderbilt Holding
Si Group
Target
Teckrez
EPA-registered importers (24)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Arlanxeo Holding Bv · NL Netherlands
Basf Se · DE Germany
Canada Imperial Oil · CA Canada
Government Of Abu Dhabi · AE United Arab Emirates
Lg Chem · KR South Korea
Show all 24
Ravago S A · LU Luxembourg
Songwon Industrial · KR South Korea
Syensqo Sa · BE Belgium
Amfine Chemical
Arlanxeo Usa Llc-Hq
Baerlocher Production
Dow Chemical
ExxonMobil
Exxonmobil Product Solutions, A Div Of Exxon Mobil
Ineos Styrolution America
Lg Chem America
Mayzo
Mitsui Chemicals America
Nc Holdings Usa
Ravago Holdings America
Solvay
Songwon
Trinseo
Univar Solutions
Why It Matters
Sectors
TransportationConstructionMetals & MiningPlastics & RubberPaints & CoatingsPaper & PrintingCore Chemicals
Downstream UsesNot recorded
FDA Shortage Status
Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."
No FDA shortage records
Industrial Uses
Used in 12 sectors as 5 functional roles.
- •Antioxidant in Plastics Material and Resin ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Antioxidant in Rubber Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Antioxidant in Synthetic Rubber ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Antioxidant in Paint and Coating ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Antioxidant in Transportation Equipment Manufacturing (80%)Processing—incorporation into article
- •Stabilizing agent in Synthetic Rubber Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •UV stabilizer in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Antioxidant in Adhesive Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •UV stabilizer in Synthetic Rubber Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product
- •Chemical reaction regulator in Synthetic Rubber Manufacturing (90%)Processing—incorporation into formulation, mixture, or reaction product
- •Chemical reaction regulator in Plastics Material and Resin Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product
- •Antioxidant in All Other Basic Organic Chemical Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
- •Antioxidant in Custom Compounding of Purchased Resins (0%)Processing—incorporation into formulation, mixture, or reaction product
- •Antioxidant in Other (20%)Processing—repackaging
- •Antioxidant in Plastics Product Manufacturing (90%)Processing—incorporation into article
- •Monomers in Paint and Coating ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Antioxidant in Printing Ink ManufacturingProcessing—repackaging
- •Antioxidant in Asphalt Paving, Roofing, and Coating Materials Manufacturing (34%)Processing—incorporation into article
Vendor Pricing
$0.04/gAaron Chemicals LLC
CountryHong Kong
Pack$10.00 / 250 g
Purity98%
Vendors20 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
19 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $0.05 | 500 g | 98% |
| A2B Chem LLC | United States | $0.06 | 500 g | 98% |
| BLD Pharmatech GmbH | Germany | $0.07 | 1 kg | 98% |
| BLD Pharmatech Ltd. | China | $0.07 | 1 kg | 98% |
| AA BLOCKS | United States | $0.08 | 500 g | 98% |
| Apollo Scientific UK | United Kingdom | $0.08 | 2.5 kg | 98% |
| MedChemExpress MCE | Sweden | $0.09 | 1 kg | — |
| BLD Pharmatech Co., Limited | United States | $0.11 | 1 kg | 98% |
| Ambeed, Inc. | United States | $0.11 | 1 kg | 98% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 98% |
| AK Scientific Specialized | United States | $0.36 | 500 g | 95% |
| AK Scientific, Inc. | United States | $0.51 | 500 g | 98% |
| Angene International Limited | United States | $0.85 | 500 g | 98% |
| AstaTech (2 weeks) | United States | $1.01 | 100 g | 95% |
| Sigma-Aldrich (Rush Stock) | Germany | $1.54 | 100 g | 99% |
| Sigma-Aldrich | Germany | $1.54 | 100 g | 99% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| ChemBridge Corporation | Kazakhstan | $1860.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
Chemical Identity
CAS2082-79-3
PubChem CID16386
DTXSIDDTXSID8027456
FormulaC35H62O3
Mol. Weight530.9 g/mol
SMILESCCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(=C(C(=C1)C(C)(C)C)O)C(C)(C)C
Data Sources
- EPA CompTox (DSSTox) · DTXSID8027456Retrieved 2026-04-06
- PubChem · compound 16386Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate (CAS 2082-79-3) https://chemicalindependence.com/chemical/2082-79-3/ EPA CompTox (DSSTox): DTXSID8027456. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID8027456 PubChem: 16386. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/16386 EPA Chemical Data Reporting: 2082-79-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 2082-79-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291829 for CAS 2082-79-3. Reporting year: 2024. https://usatrade.census.gov/